package com.dxysun.netty.server;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.FixedLengthFrameDecoder;

public class EchoServer
{
	public void startEchoServer(int port) throws Exception
	{
		EventLoopGroup bossGroup = new NioEventLoopGroup();
		EventLoopGroup workerGroup = new NioEventLoopGroup();
		try
		{


			ServerBootstrap b = new ServerBootstrap();
			b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
					.childHandler(new ChannelInitializer<SocketChannel>() {
						@Override
						public void initChannel(SocketChannel ch)
						{
							ch.pipeline().addLast(new FixedLengthFrameDecoder(10));
							ch.pipeline().addLast(new ResponseSampleEncoder());
							ch.pipeline().addLast(new RequestSampleHandler());
						}
					});
			ChannelFuture f = b.bind(port).sync();
			f.channel().closeFuture().sync();
		}
		finally
		{
			bossGroup.shutdownGracefully();
			workerGroup.shutdownGracefully();
		}
	}

	public static void main(String[] args) throws Exception
	{
		new EchoServer().startEchoServer(8088);
	}
}
